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4LHD/4LHDX Application Manual
Powertrain Control Solutions
REV 1.1
1.2.2 Driveline Lengths
For an example, the following dimensions are based on the GM 2WD extension housing. For other extension housing
lengths, reference Section 2.2.3.
Figure 1.2.2-1: PCS 4LHD/4LHDX with GM GEN III Bellhousing and 2WD Extension Housing Dimensions
Type DIM (mm) A B C D E F
GM GEN III Bell 176.3 259.2 618.0 794.3 568.0 226.3
C-6 Bell 142.3 225.2 584.0 760.3 534.0 266.3
SAE 3 Bell 189.0 271.9 630.7 807.0 580.7 266.3
SAE 4 Bell 189.0 271.9 630.7 807.0 580.7 266.3
SAE 5 Bell 189.0 271.9 630.7 807.0 580.7 266.3
A = Bellhousing Length
B = Engine Face to Manual Shaft Distance (C = Engine Face to Vehicle Mount Distance)
C = Engine Face to Vehicle Mount Distance
D = Overall Length (Engine Face to Rear Face of Extension)
E = Length of Case Dimension
F = Length of Extension Housing
B
➤
➤
A
➤
➤
E
➤
➤
C
➤
➤
F
➤
➤
TRANSMISSION ASM.
(TWO-PIECE CASE)
2WD
D
➤
➤
A = BELL HOUSING LENGTH
B = ENGINE FACE TO MANUAL SHAFT DISTANCE
C = ENGINE FACE TO VEHICLE MOUNT DISTANCE
D = OVERALL LENGTH (ENGINE FACE TO REAR FACE OF EXTENSION)
E = LENGTH OF CASE DIMENSION (APPLICABLE FOR 4WD)
F = LENGTH OF CASE EXTENSION
TYPE
DIM. (mm) A B C D E F
GEN III CASE 176.3 259.2 618.0 794.3 568.0 226.3
2-PC CASE 160.3 243.2 602.0 778.3 552.0 226.3
FIGURE 2.4.6.1-10 Transmission Packaging Dimensions
(2-Piece Transmission Cases)
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